diff --git a/tests/phpstan.autoload.inc.php b/tests/phpstan.autoload.inc.php
index 37365acf..b35fd357 100644
--- a/tests/phpstan.autoload.inc.php
+++ b/tests/phpstan.autoload.inc.php
@@ -14,14 +14,16 @@
 if (file_exists($base . '/vendor/autoload.php') == TRUE)
 {
     // Load composer autoloader.
-    require_once $base . '/vendor/autoload.php';
+    $autoload_file = $base . '/vendor/autoload.php';
 }
 else
 {
     // Load decomposer autoloade.
-    require_once $base . '/decomposer.autoload.inc.php';
+    $autoload_file = $base . '/decomposer.autoload.inc.php';
 }
 
+require_once $autoload_file;
+
 // Define application config lookup path
 $paths = [
     get_include_path(),
diff --git a/tests/test.bootstrap.inc.php b/tests/test.bootstrap.inc.php
index 068a1a5a..b9f154c5 100644
--- a/tests/test.bootstrap.inc.php
+++ b/tests/test.bootstrap.inc.php
@@ -24,14 +24,16 @@
 if (file_exists($base . '/vendor/autoload.php') == TRUE)
 {
     // Load composer autoloader.
-    require_once $base . '/vendor/autoload.php';
+    $autoload_file = $base . '/vendor/autoload.php';
 }
 else
 {
     // Load decomposer autoloade.
-    require_once $base . '/decomposer.autoload.inc.php';
+    $autoload_file = $base . '/decomposer.autoload.inc.php';
 }
 
+require_once $autoload_file;
+
 if (defined('TEST_STATICS') === FALSE)
 {
     define('TEST_STATICS', __DIR__ . '/statics');